880 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



20115. Lysis oppansus White. Holotype. 



Chico (Cret. ). Near Pence's Ranch, Butte Count}-, 

 Cahfornia. 



AVhite Bull. No. 51, U. vS. Geol. vSurv., 1889, p. 17, pi. 4, figs. 14, 15. 



23085. Lytoceras batesi (Trask). Plesiotj'pe. 



23086. Knoxville (Lower Cret.). Three and .six miles north of 



Pa.skenta, Cahfornia. 



Stanton, Bull. No. 133, U. S. Geol. vSurv., 1895, (Feb., 1896), p. 

 75, pi. 13, figs. 9-1 T. 



17338. Maclurea annulata Walcott. Cotype. 



17339- Upper Pogonip (Ord. ). White Mountain, pAireka Dis- 



trict, Nevada. 



Walcott, Mon. VIII, U. »S. Geol. Surv., 1884, p. 81, pi. 11, figs. 



19, 19a. 



45933. Maclurea bigsbyi Hall. Plesiotype. 



vStones River (Ord.). Dixon, Illinois. 



Ulrich and Scofield, Geol. and Nat. Hi.st. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1039, 1)1. 75, fig. 10. 



45934. Maclurea bigsbyi dixonensis Ulrich. Holotype. 



Stones River (Ord. ). Dixon, Illinois. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. 

 II, 1897, p. 1039. 



17342. Maclurea carinata Walcott. Cotj^pes. 



Upper Pogonip (Ord.). Lone Mountain, near Kureka, 

 Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1S84, p. 82, pi. 11, figs. 



20, 2oa. 



45935. Maclurea crassa Ulrich and Scofield. Cotype. 



Trenton (Ord.j. Wykoff, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1040, pi. 75, fig. 14. 



45936. Maclurea crassa macra Ulrich and Scofield. Holotype. 



Trenton (Ord.). Hader, Minnesota. 



Ulrich and vScofield, Geol. and Nat. Hist. vSurv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1040, pi. 75, figs. 15, 16. 



45937. Maclurea depressa Ulrich and Scofield. Cotype. 



vStones River (Ord.). Minneapolis, Minne.sota. 



Ulrich and Scofield, Geol. and Nat. Hi.st. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1040, pi. 75, fig. I. 



45938. Maclurea knoxvillensis Ulrich. Cotype. 



Trenton? (Ord.j. Knoxville, Tenne.s.see. 



Ulrich, Geol. and Nat. Hist, Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 1039. 



